added section to readme about auto-cherry-pick github action

[neo-technology-commit-status-publisher]

Thanks for the documentation updates.

The preview documentation has now been torn down - reopening this PR will republish it.

[github-actions[bot]]

💚 All backports created successfully

Status	Branch	Result
✅	6.x

Questions ?

Please refer to the Backport tool documentation and see the Github Action logs for details